Goopers

Goopers are various balls that appears in i-Ready Math lessons.

Appearance
Goopers are balls that are red, pink, orange, or blue (mostly red), have one, two, or (possibly) three eyes, and they might have light red or pink blushes or not. They wear different outfits, an gooper with an patch on his eye making an pirate, or goopers wearing silly hats (which can seen in the third image below).

Trivia

 * There's only one gooper that has an name which is Gabby. The rest of the goopers are unnamed.
 * Goopers make an major appearance on the i-Ready game BeGooped.
 * Goopers can even explode (which was seen at the end of the lesson "Find One More").
 * There's only one female gooper, which is Gabby.